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Module:String: Difference between revisions

m
make sub match current behaviour of {{str sub}}
m (adding "sub" method)
m (make sub match current behaviour of {{str sub}})
Line 11: Line 11:
     local arg3 = tonumber( frame.args[3] )
     local arg3 = tonumber( frame.args[3] )
     if arg2 and arg3 then
     if arg2 and arg3 then
         return string.sub( arg1, arg2, arg3 )
        local first = arg2 + 1
        local last  = first + arg3
         return string.sub( arg1, first, last )
     else
     else
         return ""
         return ""
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